7Artisans 18mm F5.6 vs Sigma 17mm F4 DG | Contemporary
Key differences
- —The 18mm F5.6 is 74g lighter (146g vs 220g).
- —The 17mm F4 DG | Contemporary is faster: f/4 vs f/5.6 (≈1.0 stops more light).
- —At launch the 18mm F5.6 cost $510 less ($89 vs $599).
- —The 18mm F5.6 is manual focus only.
- —For close-ups the 17mm F4 DG | Contemporary reaches 0.28× vs 0.07×.
- Mount
- Sony E (FE)
- Sony E (FE)
- Focal length
- 18mm
- 17mm
- Max aperture
- F5.6
- F4◆
- Weight
- 146g◆
- 220g
- Dimensions ⌀ × L
- 61.0 × 32.0mm
- 64.0 × 50.8mm
- Volume
- 94 cm³◆
- 163 cm³
- Density
- 1.56 g/cm³
- 1.35 g/cm³
- Filter thread
- ⌀49mm
- ⌀55mm
- Min focus
- 0.30m
- 0.12m◆
- Max magnification
- 0.07×
- 0.28×◆
- Elements / groups
- 7 / 5
- 9 / 8
- Aperture blades
- 3
- 7◆
- Focus drive
- Manual Helicoid
- Stepping Motor
- Stabilisation
- —
- —
- Weather sealed
- —
- —
- Aperture ring
- —
- Yes
- Released
- 2025
- 2023
- MSRP (USD)
- $89◆
- $599
- Sharpness
- 6.6
- 8.5◆
- Bokeh Rendering
- 4.5
- 6.3◆
- Autofocus Speed
- MF
- 8.1
- Flare Resistance
- 5.8
- 7.8◆
- Build / Sealing
- 7.8
- 8.7◆
- Value / Size
- 7.6
- 8.4◆
Performance overlay
- 18mm F5.6
- 17mm F4 DG | Contemporary
◆ marks the best value in a row. Scores are 0–10 editorial ratings.